1) Always post the ACTUAL command line used (or log file line two) so we know
what the site is, what ALL your settings are, etc.
2) Always post the URLs you're not getting and from what URL it is
referenced.
3) Always post anything USEFUL from the log file.
4) If you want everything use the near flag (get non-html files related) not
filters.
5) I always run with A) No External Pages so I know where the mirror ends.
With B) browser ID=msie 6 pulldown as some sites don't like a HTT one. With C)
Attempt to detect all links (for JS/CSS.) With D) Timeout=60, retry=9 to avoid
temporary network interruptions from deleting files.

> they are so slow, to a point where it is absolutely
> unsuable. Loading a saved website with its contents
> can take over 5 minutes, and completely crashes the
Most likely, most of the support files are not local to the mirror but still
external and must be downloaded. #4, #5A

<file://localhost/E:/Bloggar/Bloggar/birkblog.blogspot.com/index.html>
You are mixing network and files. try opening
<file:///E:/Bloggar/Bloggar/birkblog.blogspot.com/index.html> (note the three
slashes, no localhost.)